Commit Graph

9 Commits

Author SHA1 Message Date
Loren Merritt
ebbafcb454 sse implementation of imdct.
patch mostly by Zuxy Meng (zuxy dot meng at gmail dot com)

Originally committed as revision 6311 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-09-21 16:37:39 +00:00
Loren Merritt
1e4ecf26f5 ff_fft_calc_3dn/3dn2/sse: convert intrinsics to inline asm.
2.5% faster fft, 0.5% faster vorbis.

Originally committed as revision 6023 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-08-18 23:53:49 +00:00
Zuxy Meng
2ffb22d2ad use xorps instead of mulps to toggle the sign of a float, as suggested by Software Optimization Guide for AMD64 Processors.
Patch by Zuxy Meng < zuxy POIS meng AH  gmail POIS com > OKed by Michael
Original thread:
Date: Mar 5, 2006 8:15 PM
Subject: [Ffmpeg-devel] [PATCH] Little optimization to fft_sse.c

Originally committed as revision 5112 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-03-05 20:25:18 +00:00
Diego Biurrun
5509bffa88 Update licensing information: The FSF changed postal address.
Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-01-12 22:43:26 +00:00
Diego Biurrun
bb270c0896 COSMETICS: tabs --> spaces, some prettyprinting
Originally committed as revision 4764 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-12-22 01:10:11 +00:00
Diego Biurrun
115329f160 COSMETICS: Remove all trailing whitespace.
Originally committed as revision 4749 to svn://svn.ffmpeg.org/ffmpeg/trunk
2005-12-17 18:14:38 +00:00
Gildas Bazin
68951ecf0c fft_*() renamed into ff_fft_*() patch by (Gildas Bazin <gbazin at altern dot org>)
Originally committed as revision 2882 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-03-13 21:43:24 +00:00
Fabrice Bellard
e1958604fd added define for builtins use - inverse fix by Romain Dolbeau
Originally committed as revision 1410 to svn://svn.ffmpeg.org/ffmpeg/trunk
2003-01-07 17:41:43 +00:00
Fabrice Bellard
bb6f569072 new generic FFT/MDCT code for audio codecs
Originally committed as revision 1088 to svn://svn.ffmpeg.org/ffmpeg/trunk
2002-10-28 00:34:08 +00:00